This is a note to let you know that I've just added the patch titled usb: host: fotg210: fix the actual_length of an iso packet to the 4.19-stable tree which can be found at: http://www.kernel.org/git/?p=linux/kernel/git/stable/stable-queue.git;a=summary The filename of the patch is: usb-host-fotg210-fix-the-actual_length-of-an-iso-pac.patch and it can be found in the queue-4.19 subdirectory. If you, or anyone else, feels it should not be added to the stable tree, please let <stable@xxxxxxxxxxxxxxx> know about it. commit 5981f2426356cf0c5285525f116b9768da12d407 Author: Kelly Devilliv <kelly.devilliv@xxxxxxxxx> Date: Sun Jun 27 20:57:47 2021 +0800 usb: host: fotg210: fix the actual_length of an iso packet [ Upstream commit 091cb2f782f32ab68c6f5f326d7868683d3d4875 ] We should acquire the actual_length of an iso packet from the iTD directly using FOTG210_ITD_LENGTH() macro. Signed-off-by: Kelly Devilliv <kelly.devilliv@xxxxxxxxx> Link: https://lore.kernel.org/r/20210627125747.127646-4-kelly.devilliv@xxxxxxxxx Signed-off-by: Greg Kroah-Hartman <gregkh@xxxxxxxxxxxxxxxxxxx> Signed-off-by: Sasha Levin <sashal@xxxxxxxxxx> diff --git a/drivers/usb/host/fotg210-hcd.c b/drivers/usb/host/fotg210-hcd.c index 4e98f7b492df..157742431961 100644 --- a/drivers/usb/host/fotg210-hcd.c +++ b/drivers/usb/host/fotg210-hcd.c @@ -4459,13 +4459,12 @@ static bool itd_complete(struct fotg210_hcd *fotg210, struct fotg210_itd *itd) /* HC need not update length with this error */ if (!(t & FOTG210_ISOC_BABBLE)) { - desc->actual_length = - fotg210_itdlen(urb, desc, t); + desc->actual_length = FOTG210_ITD_LENGTH(t); urb->actual_length += desc->actual_length; } } else if (likely((t & FOTG210_ISOC_ACTIVE) == 0)) { desc->status = 0; - desc->actual_length = fotg210_itdlen(urb, desc, t); + desc->actual_length = FOTG210_ITD_LENGTH(t); urb->actual_length += desc->actual_length; } else { /* URB was too late */ diff --git a/drivers/usb/host/fotg210.h b/drivers/usb/host/fotg210.h index 7fcd785c7bc8..0f1da9503bc6 100644 --- a/drivers/usb/host/fotg210.h +++ b/drivers/usb/host/fotg210.h @@ -683,11 +683,6 @@ static inline unsigned fotg210_read_frame_index(struct fotg210_hcd *fotg210) return fotg210_readl(fotg210, &fotg210->regs->frame_index); } -#define fotg210_itdlen(urb, desc, t) ({ \ - usb_pipein((urb)->pipe) ? \ - (desc)->length - FOTG210_ITD_LENGTH(t) : \ - FOTG210_ITD_LENGTH(t); \ -}) /*-------------------------------------------------------------------------*/ #endif /* __LINUX_FOTG210_H */